| Date | Open | Close | Volume |
| 2010-03-02 | 34.37 | 34.32 | 1214600 |
| 2010-03-01 | 34.17 | 34.32 | 1378800 |
| 2010-02-26 | 34.14 | 34.20 | 1158900 |
| 2010-02-25 | 33.89 | 34.17 | 2232100 |
| 2010-02-24 | 34.48 | 34.60 | 1716200 |
| 2010-02-23 | 34.67 | 34.30 | 1262900 |
| 2010-02-22 | 35.31 | 34.80 | 1531200 |
| 2010-02-19 | 34.95 | 35.33 | 1805400 |
| 2010-02-18 | 34.75 | 35.01 | 1102800 |
| 2010-02-17 | 34.67 | 34.75 | 932400 |
| 2010-02-16 | 34.33 | 34.50 | 1283300 |
| 2010-02-12 | 33.94 | 34.17 | 2102000 |
| 2010-02-11 | 33.54 | 34.07 | 1641000 |
| 2010-02-10 | 33.83 | 33.57 | 2310500 |
| 2010-02-09 | 34.05 | 34.01 | 2203000 |
| 2010-02-08 | 34.07 | 33.65 | 1965400 |
| 2010-02-05 | 34.39 | 34.22 | 2269100 |
| 2010-02-04 | 35.30 | 34.37 | 1633000 |
| 2010-02-03 | 35.38 | 35.55 | 1267700 |
| 2010-02-02 | 35.47 | 35.55 | 2077300 |
| 2010-02-01 | 35.64 | 35.44 | 1801400 |
| 2010-01-29 | 35.66 | 35.45 | 2731500 |
| 2010-01-28 | 35.66 | 35.56 | 3892300 |
| 2010-01-27 | 35.01 | 35.71 | 3966600 |
| 2010-01-26 | 33.40 | 34.23 | 2805500 |
| 2010-01-25 | 33.55 | 33.40 | 1825100 |
| 2010-01-22 | 33.22 | 33.26 | 2397200 |
| 2010-01-21 | 33.78 | 33.34 | 1454900 |
| 2010-01-20 | 33.10 | 33.68 | 1668300 |
| 2010-01-19 | 33.14 | 33.45 | 1912700 |
| 2010-01-15 | 33.33 | 33.23 | 1696900 |
| 2010-01-14 | 33.42 | 33.34 | 1706000 |
Other Companies: 11-07-2008 | JCP CP CB CL TR CRTS | 02-07-2009-1
Claymore/Zacks Country Rotation | 05-22-2007 | NGAS Resources Inc.